Sierra International FS40550-1 Hot Feed/Common Ground Fuse Block Sierra FS40550-1 hot Feed/common ground fuse Block for Use with sfe, agc, mdl fuses up to 20a; gang qty (4) Before ordering, please verify this is the correct part for your application. For assistance, please call sierra's Tech support at 1-877-663-8396 All sierra parts qualify for and are Covered under sierra's industry leading customer satisfaction Warranty